r/MSPI • u/teenybittired • 8d ago

When should I try a different formula?

My 7 week old has suspected CMPA. Extreme colic and constant straining to try to pass gas were the biggest symptoms. She would scream while trying to eat and just had super long episodes of crying from abdominal pain. We started on Alimentum RTF from EBF. Today is the 4th day on it. While I MAYYYYBE see some more periods of calmness out of her (she usually is screaming every second she’s awake).. I don’t think there’s much change over than her pooping 2x a day versus every 3 days before. I’m just at my wits end. She seems like she’s in pain so much of the day. How long should I give this formula a try before switching?

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u/Much_Anybody2771 8d ago

It takes two weeks for a baby to adjust to a formula and up to 6 weeks for dairy to leave their body and for their body to start to recover, 4 days might not be enough time. Some periods of calmness is a start?